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Leaves with a pilose petiole to 4 cm long; stipules glandular; lamina to 17 × 6 cm, obovate, rounded at the apex, cuneate at the base, entire, glaucous especially beneath, sparsely pilose on the lower surface with long (1–1.5 mm) spreading hairs especially along the midrib, rarely completely glabrous in mature leaves.
Cyathia on peduncles to 1.5 mm long, 3 × 7 mm, with funnel-shaped involucres; glands 4, or 5 on the central cyathium of the umbel, spreading, c. 3 mm broad, transversely elliptic, the outer margin 2–4-lobed with each lobe sometimes shortly divided; involucral lobes c. 1 × 1.5 mm, broadly rounded, margin ciliate.
Cymes in 3–5-branched umbels on peduncles to 12 cm long, from whorls of 5–10 leaves at the swollen apices of branches, with primary rays to 8 cm long, each forking twice.
Bracts c. 1.5 cm in diameter, the lower ones larger, subcircular, subsessile to shortly petiolate, glabrous except for a few hairs along the lower margins.
Male flowers: bracteoles few, strap-shaped, upper margin ciliate and sometimes deeply divided; stamens 4.5–5 mm long.
Seeds c. 5.5 × 4 mm, ovoid with acute apex, surface with rather closely-set large flattened warts, brownish-grey.
Female flower: styles 2.5–3.5 mm long, joined for 0.5–1 mm, suberect with spreading shortly bifid apices.
Capsule exserted on a pedicel to 8 mm long, 8 × 10 mm, deeply 3-lobed with a sunken apex.
Shrubby perennial herb to 3(3.5) m high, with greyish semi-succulent stems and branches.
